Seismic vibrations were observed in Cephalonia On the night of Thursday 18.09.2025 with two earthquakes, near Argostoli.
One earthquake was 3.3 on the Richter scale, with a focal depth of 5 kilometers west of Ace Kefalonia with a focal depth of 10.9 kilometers according to the revised solution by the Geodynamic Institute.
A few minutes later a second seismic vibration was observed, 26.9 km north of Argostoli 2.1 on the Richter scale and at a focal depth of 10 kilometers.